Home / 9,072.11-12,527.51-5,720.54

Finding the Fourth Proportional to 9,072.11, 12,527.51 and 5,720.54

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Solution

The fourth proportional to 9,072.11, 12,527.51 and 5,720.54 is: 7,899.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072.11 : 12,527.51 = 5,720.54 : x
  2. Step 2: Convert to fraction form
    9,072.11/12,527.51 = 5,720.54/x
  3. Step 3: Cross multiply
    9,072.11x = 12,527.51 × 5,720.54
  4. Step 4: Simplify right side
    9,072.11x = 71,664,030.82
  5. Step 5: Solve for x
    x = 71,664,030.82/9,072.11
  6. Step 6: Final answer
    x = 7,899.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.